织梦CMS - 轻松建站从此开始!

花卉图片网

当前位置: 主页 > 灌木 >

大红泡Rubus eustephanos

时间:2013-11-06 14:27来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 大红泡 学名( Scientific Name ): Rubus eustephanos Focke 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Rubus eustephanus Focke ex Diels 科属( Family Genus ): 蔷薇科(R
中文名(Chinese Name):大红泡
学名(Scientific Name):Rubus eustephanos Focke
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Rubus eustephanus Focke ex Diels
科属(Family & Genus):蔷薇科(Rosaceae)悬钩子属
形态特征(Description):灌木,高0.5-2米;小枝灰褐色,常有棱角,无毛,疏生钩状皮刺。小叶3-5(7)枚,卵形、椭圆形、稀卵状披针形,长2-5(7)厘米,宽1-3厘米,顶端渐尖至长渐尖,基部圆形,幼时两面疏生柔毛,老时仅下面沿叶脉有柔毛,沿中脉有小皮刺,边缘具缺刻状尖锐重锯齿;叶柄长1.5-2(4)厘米,顶生小叶柄长1-1.5厘米,和叶轴均无毛或幼时疏生柔毛,有小皮刺;托叶披针形,顶端尾尖,无毛或边缘稍有柔毛。花常单生,稀2-3朵,常生于侧生小枝顶端;花梗长2.5-5厘米,无毛,疏生小皮刺,常无腺毛,但其变种疏生短腺毛;苞片和托叶相似;花大,开展时直径3-4厘米;花萼无毛;萼片长圆披针形,顶端钻状长渐尖,内萼片边缘有绒毛,花后开展,果时常反折;花瓣椭圆形或宽卵形,白色,长于萼片;雄蕊多数,花丝线形;雌蕊很多,子房和花柱无毛。果实近球形,直径达1厘米,红色,无毛。核较平滑或微皱。花期4-5月,果期6-7月。
分布(Distribution):产浙江、陕西、湖北、湖南、四川、贵州,生海拔500-2310米山麓潮湿地、山坡密林下或河沟边灌丛中。
用途(Use):根皮含鞣质可提制栲胶。
引自中国植物志英文版:FOC Vol. 9 Page 228     
Rubus eustephanos Focke, Bot. Jahrb. Syst. 36(Beibl. 82): 54. 1905.
大红泡 da hong pao| Rosaceae  | Rubus
Shrubs 0.5–2 m tall. Branchlets brownish or grayish brown, angled, glabrous, with sparse, curved prickles. Leaves imparipinnate, 3–5(–7)-foliolate; petiole 1.5–2(–4) cm, petiolule of terminal leaflet 1–1.5 cm, lateral leaflets subsessile or shortly petiolulate, petiolule and rachis glabrous or pilose when young, with sparse, minute prickles; stipules lanceolate, 6–10 × 1.5–2.5 mm, margin pilose initially, glabrescent; blade of leaflets ovate or elliptic, rarely ovate-lanceolate, 2–5(–7) × 1–3 cm, both surfaces pilose when young, abaxially sparsely pilose only along veins in age, with minute prickles along midvein, base rounded, margin sharply incised doubly serrate, apex acuminate to long acuminate. Inflorescences usually terminal on lateral branchlets, 1-flowered, rarely 2- or 3-flowered; bracts lanceolate, 6–8 × 1.5–2 mm, puberulous, glabrescent. Pedicel 2.5–5 cm, glabrous or with gland-tipped hairs, with sparse, small prickles. Flowers 3–4 cm in diam. Calyx abaxially glabrous; tube pelviform; sepals reflexed in fruit, oblong-lanceolate or triangular-lanceolate, 0.9–1.2 cm × 3–5 mm, apex subulate-acuminate, inner sepals with tomentose margin. Petals white, elliptic or broadly ovate, 1.2–1.5 cm × 8–11 mm, glabrous, base shortly clawed, margin entire or undulate, apex obtuse. Stamens many, shorter than petals; filaments linear. Style and ovary glabrous. Aggregate fruit red, subglobose, 0.9–1.1 cm in diam., glabrous; pyrenes smooth or slightly rugulose. Fl. Apr–May, fr. Jun–Jul.
Foothills, forests, slopes, thickets, river banks; 500--2300 m. Guizhou, Hubei, Hunan, Shaanxi, Sichuan, Zhejiang.
 


(责任编辑:徐晔春)
顶一下
(0)
0%
踩一下
(1)
100%
------分隔线----------------------------
发表评论
请自觉遵守互联网相关的政策法规,严禁发布色情、暴力、反动的言论。
评价:
表情:
用户名: 验证码:点击我更换图片